CN218261540U - Transformer lifts by crane automatic righting device - Google Patents
Transformer lifts by crane automatic righting device Download PDFInfo
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- CN218261540U CN218261540U CN202222834227.9U CN202222834227U CN218261540U CN 218261540 U CN218261540 U CN 218261540U CN 202222834227 U CN202222834227 U CN 202222834227U CN 218261540 U CN218261540 U CN 218261540U
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Abstract
The utility model provides a transformer lifts by crane automatic righting device belongs to transformer technical field. The utility model provides a transformer lifting automatic righting device, which comprises a lifting frame and a lifting adjusting component, wherein an installation space is arranged in the lifting frame; lifting by crane the adjustment subassembly setting in installation space, including lifting by crane the slider, promote hydraulic part and controller, it slides and sets up in installation space to lift by crane the slider, it promotes to lift by crane the frame and removes to promote the hydraulic part, the controller sets up on lifting by crane the frame, it is provided with the electron spirit level to lift by crane the slider lower terminal surface, a change for monitoring feedback inclination, controller control promotes the hydraulic part and promotes to lift by crane the frame and make to lift by crane the slider and slide in installation space, thereby the adjustment lifts by crane the slider and lifts by crane the relative position of frame. The utility model provides a pair of transformer lifts by crane automatic righting device realizes the automatic adjustment of inclination when lifting by crane, has promoted the accuracy of regulation, has reduced intensity of labour, improves work efficiency.
Description
Technical Field
The utility model belongs to the technical field of the transformer, concretely relates to transformer lifts by crane automatic righting device.
Background
When carrying out lifting by crane of transformer, because each component weight of transformer distributes unequally and the shape of transformer is irregular, leads to lifting by crane the operation time, the transformer is very easily taken place the slope, may lead to the transformer to drop from hoisting accessory even, forms the potential safety hazard, threatens personal safety, may lead to the damage of inner structure and outside shell structure even, causes economic loss. In addition, when the lifting position of a lifting appliance of the lifting device is adjusted, the adjustment capacity is limited only through a lifting hole position inherent to the lifting device, the transformer is difficult to maintain in a horizontal state through manual adjustment, a plurality of non-standard lifting appliances need to be prepared in advance, cost waste is caused, the transformer is difficult to place in the inclined state, local stress is easy to cause, equipment damage is caused, the service life of the equipment is shortened, and economic loss is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer lifts by crane automatic righting device aims at solving the transformer and lifts by crane the in-process and wastes time and energy, be difficult for the problem of adjustment hanging position.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a transformer lifts by crane self-righting device includes:
the lifting frame is internally provided with an installation space; two ends of the lifting frame in the length direction are used for installing lifting ropes; and
the lifting adjusting assembly is arranged in the installation space and comprises a lifting slider, a pushing hydraulic part and a controller, the lifting slider is arranged in the installation space in a sliding mode and has a degree of freedom along the sliding direction of the length direction of the lifting frame, the pushing hydraulic part is arranged between the lifting slider and the inner side wall of the lifting frame, the controller is arranged on the lifting frame, an electronic level meter is arranged on the lower end face of the lifting slider and connected with the controller and used for monitoring the change of a feedback inclination angle, and the controller controls the pushing hydraulic part to push the lifting frame, so that the lifting slider slides relatively in the installation space and adjusts the relative position of the lifting slider and the lifting frame.
In a possible implementation manner, the pushing hydraulic part is a double-rod piston cylinder, the double-rod piston cylinder is arranged along the length direction of the lifting frame, a cylinder barrel of the double-rod piston cylinder is fixedly connected with the lifting slider, and two piston rods of the double-rod piston cylinder are respectively fixedly connected with the lifting frame.
In a possible implementation, the cylinder barrel penetrates through the lifting slide block.
In a possible implementation manner, an electromagnetic directional valve is arranged on the side wall of the hoisting frame and communicated with the cylinder barrel, and the controller controls the flow direction of hydraulic oil in the double-rod piston cylinder by controlling the opening and closing of the electromagnetic directional valve.
In one possible implementation, the electromagnetic directional valve is a three-position four-way electromagnetic directional valve.
In a possible implementation manner, an oil path block is arranged on the hoisting frame and is communicated with the electromagnetic directional valve and a cylinder barrel of the double-rod piston cylinder.
In a possible implementation manner, one side of the hoisting frame, which is far away from the electromagnetic directional valve, is provided with a one-way quantitative hydraulic pump, the one-way quantitative hydraulic pump is communicated with a cylinder barrel of the double-rod piston cylinder, and the controller controls the hydraulic oil in the double-rod piston cylinder to flow by controlling the on and off of the one-way quantitative hydraulic pump.
In a possible implementation manner, the electromagnetic directional valve is arranged in the center of the side wall of the hoisting frame, and the unidirectional quantitative hydraulic pump is arranged opposite to the electromagnetic directional valve.
In a possible implementation manner, a discontinuous vertical beam is arranged in the hoisting frame, the discontinuous vertical beam is perpendicular to the length direction of the hoisting frame, and the discontinuous vertical beams are respectively arranged at two ends of the hoisting frame in the length direction.
In a possible implementation manner, the interrupted vertical beam is provided with a lifting rope fixing hole for fixing a lifting rope.
The utility model provides a pair of transformer lifts by crane automatic righting device's beneficial effect lies in:
compared with the prior art, the lifting device comprises a lifting frame and a lifting adjusting assembly, wherein the lifting frame is used for lifting a heavy object as a main body of a load, an installation space for installing the lifting adjusting assembly is arranged inside the lifting frame, lifting ropes are installed at two ends of the lifting frame in the length direction, the lifting adjusting assembly comprises a lifting slider, a pushing hydraulic part and a controller, the lifting slider is used for hooking a lifting device, the lifting slider is arranged in the installation space in a sliding mode along the length direction of the lifting frame, the pushing hydraulic part is arranged between the lifting slider and the inner side wall of the lifting frame, a variable electronic level gauge for monitoring the feedback inclination angle is arranged on the lower end face of the lifting slider, the electronic level gauge feeds an angle signal back to the controller, the controller controls the pushing hydraulic part, the lifting slider is hooked under the lifting frame, the lifting slider is fixed relatively in position, the lifting slider is pushed to push the lifting frame to slide, the relative position of the lifting slider and the lifting frame is adjusted, the automatic adjustment of the inclination angle during lifting is realized, the adjustment of the lifting slider and the lifting worker labor intensity is reduced, and the safety hazard is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a transformer lifting automatic centering device provided by an embodiment of the present invention;
fig. 2 is a schematic top view of the transformer lifting automatic centering device according to the embodiment of the present invention;
fig. 3 is a schematic view of the main view structure of the transformer lifting automatic righting device provided by the embodiment of the utility model.
In the figure: 1. hoisting the frame; 2. intermittent vertical beams; 3. a cylinder barrel; 4. an oil circuit block; 5. a three-position four-way electromagnetic directional valve; 6. an electronic level; 7. a unidirectional quantitative hydraulic pump; 8. a controller; 9. hoisting the slide block; 10. A first piston rod; 11. a second piston rod; 12. a lifting rope fixing hole.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, a specific embodiment of the present invention is described, which includes: the lifting frame 1 is internally provided with an installation space, and two ends of the lifting frame 1 in the length direction are used for installing lifting ropes; the lifting adjusting assembly is arranged in the installation space and comprises a lifting slide block 9, a pushing hydraulic part and a controller 8, wherein the lifting slide block 9 is arranged in the installation space in a sliding mode, the lifting slide block 9 has the degree of freedom sliding along the length direction of a lifting frame 1, the pushing hydraulic part is arranged between the lifting slide block 9 and the inner side wall of the lifting frame 1, the controller 8 is arranged on the lifting frame 1, an electronic level gauge 6 is arranged on the lower end face of the lifting slide block 9, the electronic level gauge 6 is connected with the controller 8 and used for monitoring the change of a feedback inclination angle, the controller 8 controls the pushing hydraulic part to push the lifting frame 1, the lifting slide block 9 slides relatively in the installation space, and the relative position of the lifting slide block 9 and the lifting frame 1 is adjusted.
The utility model provides a pair of transformer lifts by crane automatic righting device, compared with the prior art, including lifting by crane frame 1 and the adjustment subassembly that lifts by crane, the main part that lifts by crane frame 1 as the bearing is used for lifting by crane the heavy object, the inside installation space that is used for installing the adjustment subassembly that lifts by crane that is provided with of lifting by crane frame 1, the lifting rope is installed at the both ends of lifting by crane frame 1 length direction, it includes the slider 9 that lifts by crane the adjustment subassembly, promote hydraulic part and controller 8 to lift by crane, it is used for carrying out the hook of lifting by crane device to lift by crane slider 9, it sets up along the length direction slip of lifting by crane frame 1 in installation space to lift by crane slider 9, promote the hydraulic part setting between the inside wall of lifting by crane slider 9 and lifting by crane frame 1, it is provided with the change electronic level appearance 6 that is used for monitoring feedback inclination under the slider 9 to lift by crane, electronic level appearance 6 feeds back angle signal to controller 8, controller 8 controls the promotion hydraulic part, it hangs under the hoist slider 9 hook to lift by crane the hoist, it promotes the hydraulic part to lift by crane the lifting by crane the worker's accuracy to have not needed the regulation of manual regulation, the worker's that the worker's intensity is lower.
Specifically, please refer to fig. 1 to 3, which includes a lifting frame 1 and a lifting adjusting assembly, wherein the lifting frame 1 is rectangular, an installation space is provided inside the lifting frame 1, a lifting rope is installed at two ends of the lifting frame 1 in the length direction, open slots suitable for the sliding of the lifting adjusting assembly are provided on both upper and lower end surfaces of the lifting frame 1, the lifting adjusting assembly includes a lifting slider 9, a pushing hydraulic part and a controller 8, the lifting slider 9 has a degree of freedom to slide along the length direction of the lifting frame 1 in the installation space, a lifting hole is provided on the upper end of the lifting slider 9, a hook of a lifting device is hung in the lifting hole for lifting operation, the pushing hydraulic part is arranged between the lifting slider 9 and the inner side wall of the lifting frame 1, the lower end face of the lifting slide block 9 is provided with a variable electronic level 6 for monitoring the feedback inclination angle, the controller 8 is arranged on the outer side wall of the lifting frame 1, the electronic level 6 feeds an angle signal back to the controller 8, the lifting slide block 9 is hooked below the lifting frame, the position of the lifting slide block 9 is fixed, the controller 8 pushes the lifting frame 1 to move through controlling a pushing hydraulic part, the lifting position is adjusted conveniently, the lifting position is adjusted to the balance state of the lifting frame 1 and a lifted heavy object, the automatic adjustment of the inclination angle during lifting is realized, the adjustment accuracy is improved, manual adjustment is not needed, multiple rework trial lifting adjustment is not needed, the labor intensity is reduced, the working efficiency is improved, and potential safety hazards are eliminated.
Furthermore, in the using process of the hoisting automatic centering device, a plurality of groups of hoisting automatic centering devices can be used for hoisting heavy objects according to actual use requirements, so that the hoisting stability is improved.
As a specific implementation manner of the transformer lifting automatic centering device, please refer to fig. 1 to 3, the push hydraulic part is a double-rod piston cylinder, the double-rod piston cylinder is followed the length direction setting of lifting frame 1, the cylinder 3 of the double-rod piston cylinder with lift by crane slider 9 fixed connection, two piston rods of the double-rod piston cylinder respectively with lift by crane 1 fixed connection of frame.
Specifically, referring to fig. 1 to 3, the pushing hydraulic part is a dual-rod piston cylinder, the pushing hydraulic part includes a first piston rod 10, a second piston rod 11 and a cylinder 3, the first piston rod 10 is disposed between a first end of the cylinder 3 and an inner side wall of a first end of the lifting frame 1, the second piston rod 11 is disposed at a second end of the cylinder 3, the second piston rod 11 is disposed between a second end of the cylinder 3 and an inner side wall of a second end of the lifting frame 1, hydraulic oil is disposed between the first piston rod 10 and the cylinder 3, hydraulic oil is disposed between the second piston rod 11 and the cylinder 3, the controller 8 controls a volume of the hydraulic oil between the first piston rod 10 and the cylinder 3 and a volume of the hydraulic oil between the second piston rod 11 and the cylinder 3, so as to change displacement between the first piston rod 10 and the second piston rod 11 and the cylinder 3, and the first piston rod 10 and the second piston rod 11 are matched to adjust a position of the lifting slider 9, so as to achieve automatic adjustment of an inclination angle during lifting, thereby improving accuracy of adjustment, reducing labor intensity, improving work efficiency and eliminating potential safety hazards.
As a specific embodiment of the transformer lifting automatic centering device provided by the utility model, please refer to fig. 1 to 3, cylinder 3 runs through and lifts by crane slider 9 setting.
Specifically, please refer to fig. 1 to 3, a mounting hole for mounting the cylinder 3 is formed in the lifting slider 9, and the cylinder 3 penetrates through the lifting slider 9, so as to increase the stability of the connection between the cylinder 3 and the lifting slider 9.
As a specific embodiment of a pair of transformer lifts by crane automatic righting device, please refer to fig. 1 to 3, the lateral wall that lifts by crane frame 1 is provided with the electromagnetic directional valve, and the electromagnetic directional valve communicates with cylinder 3, and controller 8 realizes the control that the hydraulic oil of two pole piston cylinders flows through opening and close of control electromagnetic directional valve.
Specifically, referring to fig. 1 to 3, the electromagnetic directional valve is disposed on the outer side wall of the hoisting frame 1, the electromagnetic directional valve is communicated with the cylinder 3, hydraulic oil flows among the first piston rod 10, the second piston rod 11 and the cylinder 3 through the electromagnetic directional valve, and the controller 8 controls the change of the opening direction of the electromagnetic directional valve to change the flow direction of the hydraulic oil.
As a specific embodiment of the transformer lifting automatic centering device provided in the present invention, please refer to fig. 1 to 3, the electromagnetic directional valve is a three-position four-way electromagnetic directional valve 5.
Specifically, referring to fig. 1 to 3, the electromagnetic directional valve is a three-position four-way electromagnetic directional valve 5, when a valve core of the electromagnetic directional valve is located at a middle position, the hydraulic oil path is cut off, at this time, the first piston rod 10 and the second piston rod 11 are stationary relative to the cylinder 3 of the double-rod piston cylinder, when the valve core of the electromagnetic directional valve is located at a left position or a right position, the hydraulic oil path is opened in an opposite direction, so as to change the flow direction of the hydraulic oil,
as a specific embodiment of the transformer lifting automatic centering device provided by the utility model, please refer to fig. 1 to 3, lift by crane and be provided with oil circuit piece 4 on the frame 1, oil circuit piece 4 intercommunication solenoid directional valve and cylinder 3 of two pole piston cylinders.
Specifically, referring to fig. 1 to 3, the oil path block 4 is disposed on the outer side wall of the hoisting frame 1, the electromagnetic directional valve is disposed on one side of the oil path block 4 away from the hoisting frame 1, and the oil path block 4 is communicated with the electromagnetic directional valve and the cylinder 3 of the dual-rod piston cylinder, so as to facilitate the flow of hydraulic oil.
As the utility model provides a pair of transformer lifts by crane a concrete implementation mode of automatic righting device, please refer to fig. 1 to 3, lift by crane one side that frame 1 kept away from the electromagnetic directional valve and be provided with one-way quantitative hydraulic pump 7, one-way quantitative hydraulic pump 7 and the 3 intercommunications of cylinder of two pole piston cylinders, controller 8 realizes the control that the hydraulic oil in the two pole piston cylinders flows through opening and close of controlling one-way quantitative hydraulic pump 7.
Specifically, referring to fig. 1 to 3, a unidirectional quantitative hydraulic pump 7 is disposed on one side of the lifting frame 1 away from the electromagnetic directional valve, the unidirectional quantitative hydraulic pump 7 is communicated with the cylinder 3 of the dual-rod piston cylinder, the unidirectional quantitative hydraulic pump 7 provides power for the flow of hydraulic oil, and a controller 8 controls the opening and closing of the unidirectional quantitative hydraulic pump 7 to push the flow of hydraulic oil, so as to change the displacement among the first piston rod 10, the second piston rod 11 and the cylinder 3 of the dual-rod piston cylinder.
As a specific embodiment of the transformer lifting automatic centering device provided by the utility model, please refer to fig. 1 to 3, the electromagnetic directional valve is arranged at the center of the side wall of the lifting frame 1, and the unidirectional quantitative hydraulic pump 7 is arranged opposite to the electromagnetic directional valve.
Specifically, referring to fig. 1 to 3, the electromagnetic directional valve and the unidirectional quantitative hydraulic pump 7 are arranged on the central line of the hoisting frame 1, and the unidirectional quantitative hydraulic pump 7 is arranged opposite to the electromagnetic directional valve so as to be convenient for communicating the cylinder 3 of the double-rod piston cylinder.
As a specific embodiment of a pair of transformer lifts by crane automatic righting device, please refer to fig. 1 to 3, lift by crane and be provided with in the frame 1 and be interrupted perpendicular roof beam 2, be interrupted perpendicular roof beam 2 perpendicular to lift by crane the length direction setting of frame 1, be interrupted perpendicular roof beam 2 and set up respectively at the both ends of lifting by crane frame 1.
Specifically, referring to fig. 1 to 3, two ends of the lifting frame 1 are provided with intermittent vertical beams 2, the intermittent vertical beams 2 are arranged in parallel with the first end of the lifting frame 1, the intermittent vertical beams 2 are perpendicular to the length direction of the lifting frame 1, the intermittent vertical beams 2 are symmetrically arranged at two ends of the lifting frame 1, the first end of the lifting frame 1 is provided with four groups of intermittent vertical beams 2, and the second end of the lifting frame 1 is provided with four groups of intermittent vertical beams 2, so that the lifting rope can be conveniently fixed.
As a specific embodiment of the transformer lifting automatic centering device provided in the present invention, please refer to fig. 1 to 3, the intermittent vertical beam 2 is provided with a lifting rope fixing hole 12 for fixing a lifting rope.
Specifically, referring to fig. 1 to 3, a lifting rope fixing hole 12 is formed in the intermittent vertical beam 2, and a fixed lifting rope penetrates through the lifting rope fixing hole 12 to bind a lifted heavy object below the lifting frame 1.
Further, the cylinder 3, the electronic level gauge 6 and the hoisting slide block 9 are integrated.
As the utility model provides a transformer lifts by crane automatic righting device's work flow as follows, please refer to fig. 1 to 3:
respectively fixing one end of an equal-length lifting rope on a lifting rope fixing hole 12 at a proper position at the two ends of the lifting beam frame, and fixing the other end of the lifting rope on a transformer lifting ring; in the hoisting process, when the transformer is inclined left and right due to unbalanced gravity center, the electronic level 6 fixed on the hoisting sliding block 9 senses the angle change condition of the left and right inclination of the whole hoisting frame 1, transmits data to the controller 8 in real time, analyzes the data by the controller 8 and sends a control signal to the three-position four-way electromagnetic directional valve 5 so as to control the three-position four-way electromagnetic directional valve 5 to move, switches the flow direction of hydraulic oil, pushes the cylinder 3 of the double-rod cylinder to move left and right under the pressure of the piston cylinder conveyed by the unidirectional quantitative hydraulic pump 7, adjusts the hoisting frame 1 to a proper position so as to adjust the whole transformer to a horizontal position, when the whole transformer is in the horizontal position, the whole hoisting frame 1 is also in the horizontal position, the electronic level 6 senses that the hoisting frame 1 has no inclination angle and is in the horizontal position, feeds back data to the controller 8 in real time, analyzes the control signal and sends a control signal to the three-position four-way electromagnetic directional valve 5 again by the controller 8 so as to control the movement of the three-position four-way electromagnetic directional valve 5, thereby cutting off a hydraulic oil loop, and enabling the hoisting sliding block 9 to be in the current position, thereby realizing closed loop control and avoiding the left and right inclination condition of the transformer when the hoisting is in the horizontal position.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a transformer lifts by crane automatic righting device which characterized in that includes:
the lifting frame is internally provided with an installation space; two ends of the lifting frame in the length direction are used for installing lifting ropes; and
the lifting adjusting assembly is arranged in the installation space and comprises a lifting slider, a pushing hydraulic part and a controller, the lifting slider is arranged in the installation space in a sliding mode and has a degree of freedom along the sliding direction of the length direction of the lifting frame, the pushing hydraulic part is arranged between the lifting slider and the inner side wall of the lifting frame, the controller is arranged on the lifting frame, an electronic level meter is arranged on the lower end face of the lifting slider and connected with the controller and used for monitoring the change of a feedback inclination angle, and the controller controls the pushing hydraulic part to push the lifting frame, so that the lifting slider slides relatively in the installation space and adjusts the relative position of the lifting slider and the lifting frame.
2. The transformer hoisting automatic centering device according to claim 1, wherein the pushing hydraulic part is a double-rod piston cylinder, the double-rod piston cylinder is arranged along the length direction of the hoisting frame, a cylinder barrel of the double-rod piston cylinder is fixedly connected with the hoisting slider, and two piston rods of the double-rod piston cylinder are respectively fixedly connected with the hoisting frame.
3. The transformer hoisting automatic centering device as claimed in claim 2, wherein the cylinder is disposed through the hoisting slide block.
4. The transformer hoisting automatic centering device according to claim 3, wherein an electromagnetic directional valve is arranged on the side wall of the hoisting frame and communicated with the cylinder barrel, and the controller controls the flow direction of hydraulic oil in the double-rod piston cylinder by controlling the opening and closing of the electromagnetic directional valve.
5. The transformer hoisting automatic centering device according to claim 4, wherein the electromagnetic directional valve is a three-position four-way electromagnetic directional valve.
6. The transformer hoisting automatic centering device according to claim 4, wherein an oil path block is arranged on the hoisting frame, and the oil path block is communicated with the electromagnetic directional valve and a cylinder barrel of the double-rod piston cylinder.
7. The transformer hoisting automatic centering device according to claim 6, wherein a unidirectional quantitative hydraulic pump is arranged on one side of the hoisting frame away from the electromagnetic directional valve, the unidirectional quantitative hydraulic pump is communicated with a cylinder barrel of the double-rod piston cylinder, and the controller controls the flow of hydraulic oil in the double-rod piston cylinder by controlling the on and off of the unidirectional quantitative hydraulic pump.
8. The transformer hoisting automatic centering device as claimed in claim 7, wherein the electromagnetic directional valve is arranged in the center of the side wall of the hoisting frame, and the unidirectional quantitative hydraulic pump is arranged opposite to the electromagnetic directional valve.
9. The transformer hoisting automatic centering device according to claim 1, wherein an intermittent vertical beam is arranged in the hoisting frame, the intermittent vertical beam is arranged perpendicular to the length direction of the hoisting frame, and the intermittent vertical beams are respectively arranged at two ends of the hoisting frame in the length direction.
10. The transformer hoisting automatic centering device of claim 9, wherein the interrupted vertical beam is provided with a lifting rope fixing hole for fixing a lifting rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222834227.9U CN218261540U (en) | 2022-10-26 | 2022-10-26 | Transformer lifts by crane automatic righting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222834227.9U CN218261540U (en) | 2022-10-26 | 2022-10-26 | Transformer lifts by crane automatic righting device |
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| Publication Number | Publication Date |
|---|---|
| CN218261540U true CN218261540U (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222834227.9U Active CN218261540U (en) | 2022-10-26 | 2022-10-26 | Transformer lifts by crane automatic righting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117623091A (en) * | 2024-01-26 | 2024-03-01 | 山东尚为建设工程有限公司 | Transformer lifting core overhauling equipment |
-
2022
- 2022-10-26 CN CN202222834227.9U patent/CN218261540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117623091A (en) * | 2024-01-26 | 2024-03-01 | 山东尚为建设工程有限公司 | Transformer lifting core overhauling equipment |
| CN117623091B (en) * | 2024-01-26 | 2024-04-30 | 山东尚为建设工程有限公司 | Transformer lifting core overhauling equipment |
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